Resilient tire.



R. V. WAGNER.

RESILIENT TIRE.

APPLICATION FILED JAN. 10. 1914.

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R. V. WAGNER.

Patented Dec. 11, 1917.

2 SHEETS-SHEET 2.

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UNITED sra'rns PATENT OFFICE.

nnrnnanr vroron WAGNER, or Lennon, ENGLAND, assrenon ro'rnn WAGNERTYRE COMPANY, LIMITED, or Lennon, 'nnetann.

nnslmnnr Tine.

Specification ot'Letters Patent. Patented -Dec 1 1 191 *7,

Application filedflanuary 10; 1914. Seria1No;811,363.

ll'b calico/tom it may concern Be it known that I, REINHART VICTOR Waenne, a subject of the German Emperor, iresidingat, 33;]3rooke street, \Holborn, 1n

provide flexible connections between the .rnns possessingproperties of smooth or continuous flexibility ithout liability? of breakage. A further object is to provide means for affording transverse support to the elastic rim. a

Tn order that thesaid invention may be clearly understood and readily carried into .efieetthe same Willnovv be described more fully with reference to the accompanying lil drawings, in Which:- v

Figure 1 1S a-s1de elevationof a Wheel inacle accordlng to my invention, showing diagrammatically the action of the resilient rim, the side plates being moved.

Fig. 1 is a transverse sectional view thereof. a

Fig. 2 is a cross section of a heel rim constructed according to my 1nvent1on,be-

ing a slight modification.

.l igs. .7 and 81show twoinodifications of themethod of building ups the elastic rim.

A istheelastic laminated rim,wvhich is similarthroughout alLpart-s of its circumference except vfor such .inappreciable inequalities as may be due to the endshoflthe -.'rnetal.ceils or :wiresfro n which the is usuallyybuilt up, so that no obstructions i we a eg h" e trunning of the Wheel. B is-the inner rim or Wheel. body :made rigid and. carried l by :t'llGSPOllBSZ). C, G are the flexiblezconneetlOIlSilDBlEWBQD the two runs. D ls theutread .OI'ltlTe, made of: any sultable or deslretl =11lf1- terial.

Figs. :1-and?2: show the generalaction of the wheel. Itwvill beeeen that at thelower .side which meetstheground a portionof the rnnA is flattened somewhat, theliirn ilnerginglinto the circular form a short disltance on each side of the vertical. The distortion or flattening of the rim (which is somewhat exaggerated in the drawing) is thus confined to a short 1 portion and travels varound the rim as the Wheel turns.

The

flexible connections C are constructedin any "preferred manner, and,as indicatedin the -drawings, are relaxed .at. the flattened part of the run and their \tenslon 1s correspondingly increased at thesides and topin. order to support the Weight of the vehicle. The rim A is thus held positively to the inner rim B at all points of its circumferenceex cepting that part temporarily under conuypressionand the Wl'lOlG of the rim A is always utilized in affording support and absorbing shock. The laminations of the 1 1m A are bound-together by chps a whlch inclose the same, said 3 clips being provided Witl'rmembersC" to engage the fleniblecon nections C. Therim B is provided With adjustable devices 5* having members I) With which the connectionsO are also engaged, as more clearlyillustrated in Fig. 3.

. The connectionsC may be engaged with yadjustabledevices as illustrated in Fig.3, or they may be engaged .with non-adyustable ClGVlCGS as lllustrated 1n Figs. 2, 4 and 5.

3 "Referring to Fig. 2 the rim A isretained between side .platesE on the rigid rim B so that side movement is positively prevented. The connections C may also be crisscrossed finthe manner indicated to provide additional lateral: support to the. rim A. Cross boltssuch as 0 may be used to connect the side plates E together, such bolts .being placed just clear of the rim ,A when the latter, is; fully compressed at. the ,point ref support of the wheel. The side plates E are of course securely fixed upon the rim B by bolts or otherwise.

The rim A as shown in Figs. 1 to 6, is preferably made up of a resilient strip coiled upon itself, the convolutions being separated by thin layers a of protective material suchv as tarred canvas so that the metal surfaces are kept from contact. By this arrangement no irregularity, due to the thickness of the spring strip, is introduced except atthe ends, but as that thickness is very small in "proportionto the diameter of the rim, this does not introduce any appreciable inequality in the resiliency at any point. Or, the rim may be built up by means of a number of round strips lying one over the other. as illustrated in Fig. 7, or flat strips as illus trated in Fig. 8 so arranged that their ends shall not be situated at the same point of the circumference.

The tread or tire D may if desired, be of stitched rope fiber as shown in Fig. 4, this being a material of known type and one which can be readily replaced when worn. It possesses however considerable strength and wearing capacity and affords a good grip on the road so that skidding is practically impossible. fixed on the rim, whereas india rubber cannot be securely attached direct to a metal surface. The flexible connections C allow or free compression of the elastic rim but give strong tensional support. The tension is adjusted by any convenient means in order to distribute the support equally around the wheel, the rigidity of the rim A depending to some extent upon the tightness of the connections C, which are always under tension except for a short distance at the bottom of the wheel where the rim A is slightly flattened by the weight of the vehicle as shown in Fig. 1.

The arrangement shown'in Figs. 3 and 4 differs. from that of Fig. 2 in the fact that the guides E are dispensed with. The flexi- -ble connections G, which extend diagonally in side elevation are attached to the rims A and B by the clips a and b, respectively.

The clips a are preferably in the form of 7 rings of flat sheet metal encircling the sections of the rim and provided with suitable means for engaging the connections C.

The guides of Fig. 2 are not essential to the C. In addition to the flexible connections E' eflieiency of the wheel but may be provided as an additional protection against side strains on the rim. To regulate the tension of the flexible connections the clips I) are shown with adjusting screws which engage nuts connected with the flexible connections flat thin steel bands such as C are provided,

placed between the connection C, and passing alternately to and from the rims A and It is moreover readily 13 and staggered with respect to the connec- (55 tions C as shown in Fig. 3. The fiat bands C are sufliciently flexible not to interfere with the action of the rim A but owing to their width they give great lateral rigidity to hold the rims in alinement during skidding of the wheel. Either of the two types of connections E and C can be used independently of the other.

In the modification shown in Figs. 5 and tithe lateral support for the rim A is given by the ring on the periphery of the rim B, which ring is formed with guiding channels such as 6 within which slide the guide plates a secured at intervals to the clips at. The flexible connections C are shown connecting together the edges of the two rims without crossing.

Fig. 7 shows a type of rim A which is built up of wire coiled into circular form, the eonvolutions being bound together in any suitable manner such as by bands or the like, and thus united into a solid but resilient rim. Several wires may be used, their ends being shown at a but a single long wire may be employed.

Fig. 8 shows a modification of the rim A in which steel bands are reduced in width toward the outside of the rim so as to give a narrower tread and a rounded cross section to the rim. A continuous band may be employed forming a single coil, or separate bands may be used the ends of which are shown at a What I claim and desire to secure by Let ters Patent of the United States is 1. An improved resilient wheel comprising an inner rigid rim, an outer rim formed of resilient laminations, clips for binding said laminations together, said clips being each provided with two laterally spaced engaging devices, corresponding sets of engaging devices carried by the inner rim, flexible connections spanning the space between the rims and attached to said engaging devices, and means for preventing lateral movement of the rims.

2. An improved resilient wheel comprising an inner rigid rim, an outer rim formed of resilient laminations, clips for binding said laminations together, said clips being each provided with two laterally spaced engaging devices, corresponding sets of engaging devices carried by the inner rim, flexible connections spanning the space between the rims and attached to said engaging devices, adjusting members connected said laminations together, said clips being engaging the inner and outer rims to prevent.

each provided with two laterally spaced enlateral movement of said rims. 1 0 gaging devices, corresponding sets of engag- In testimony whereof I aflix my signature ing devices carried by the inner rim, flexible in presence of tWo Witnesses.

connections spanning the space between the REIN HART VICTOR WVAGNER.

rims and attached to said engaging devices, Witnesses:

and a metal band positioned between the T. SELBY WARDLE,

flexible connections and having convolutions WALTER J. SKERTEN.

tlnpies at this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

